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32results about How to "Strong connection stability" patented technology

Quick dismounting device for paddles and unmanned aerial vehicle

ActiveCN119262368AImprove connection stabilityStrong connection stabilityPropellersScrew threadPhysics
The invention relates to a quick dismounting device for paddles and an unmanned aerial vehicle. The quick dismounting device comprises a base assembly; the paddle assembly comprises a paddle body and a connecting seat; the paddle body is connected with the connecting seat; a limiting block is arranged on the peripheral surface of the connecting seat; a pin shaft moving hole extending in the axial direction is formed in the paddle assembly, a pin hole extending in the radial direction is formed in the connecting seat, and the pin hole is communicated with the pin shaft moving hole; the locking cap comprises a threaded section and a locking groove; the locking cap is arranged on the outer side of the connecting base in a sleeving mode and is in threaded connection with the base assembly through the threaded section, and the limiting block is pressed on the base assembly. The stop assembly is movably inserted into the pin hole in the radial direction; the quick-release pin shaft is movably inserted into the pin shaft moving hole in the axial direction; and a locking section and an unlocking section with different outer diameters are arranged on the quick-release pin shaft. The paddle assembly has the advantages that the paddle is quickly disassembled and assembled, the operation is simple, and the connection stability of the paddle assembly and the base assembly is high.
Owner:SHENZHEN HOBBYWING TECH CO LTD

Panel furniture connecting structure capable of being quickly disassembled and assembled

The utility model provides a plate-type furniture connecting structure capable of being quickly disassembled and assembled, which relates to the technical field of furniture and comprises a first connecting plate, a second connecting plate arranged on one side of the first connecting plate, a polygonal connecting rod arranged on one side of the second connecting plate, a polygonal rod groove arranged on one side of the first connecting plate, and a curved slot arranged on the back of the first connecting plate. The multi-corner-angle connecting rods are arranged on one side of the first connecting plate and one side of the second connecting plate, a plurality of contact points and supporting faces can be provided through the multi-corner-angle design, connection is firmer, it is guaranteed that furniture is not prone to loosening in the using process, meanwhile, the multi-corner-angle connecting rods are beneficial to finding a proper position rapidly and accurately in the connecting process, dismounting and mounting operation is convenient, and the furniture connecting structure is simple in structure and convenient to use. Compared with a simple cylindrical connecting rod, the multi-corner-angle connecting rod can better resist external force, and the overall structural strength of furniture is enhanced.
Owner:CHONGQING COIT HOME FURNISHING CO LTD

Modularized connecting assembly of combustion furnace sound barrier

PendingCN121952395AWith guidance and positioning functionAdaptable to folding storageFencingNoise reduction constructionSound barrierNoise barrier
The invention discloses a modular connecting assembly of a combustion furnace sound barrier, and relates to the technical field of sound insulation of long-acting environment-friendly combustion furnaces for oil testing. The assembly comprises a straight face connecting unit used for tightly attaching and connecting the adjacent sound insulation plates of the straight face part, the straight face connecting unit comprises a straight face reducing stud and two straight face lug plates, the two straight face lug plates are arranged in an up-down mirror symmetry mode, and the inner ends of the two straight face lug plates are fixed to the hinged side frame edges of the adjacent sound insulation plates of the straight face part respectively. The straight-face variable-diameter stud comprises a large-diameter section, a variable-diameter section and a small-diameter section which are coaxial, all the sections are in smooth transition connection, in the locking state, the two straight-face lug plates are located and connected to the large-diameter section in a sleeving mode, in the unlocking state, the straight-face lug plate on the lower side is connected to the small-diameter section in a sleeving mode, and the straight-face lug plate on the lower side is located and connected to the small-diameter section in a sleeving mode. And the straight-surface lug plate on the upper side is sleeved on the large-diameter section. The sound insulation barrier is suitable for a foldable and spliced type sound insulation barrier with a multi-face corner enclosure, the sealing performance of the connecting position is high, sound insulation is good, and disassembly and assembly and corner splicing are convenient.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

An installation structure of a prefabricated external wall panel

ActiveCN224648044URealize synchronous positioning and fixationeasy to operate
The utility model discloses a mounting structure of prefabricated outer wall board belongs to wallboard installation technical field, including outer wall board body, the top two sides edges of outer wall board body symmetry are equipped with two upper connecting parts, the bottom middle position of outer wall board body is equipped with lower connecting part, and the docking space of the adaptation joint of lower connecting part is formed to two upper connecting parts, and this mounting structure still includes the installation strip for the location resistance of two upper connecting parts and lower connecting part simultaneously, the utility model discloses the cooperation between two upper connecting parts and a lower connecting part, can realize the precision docking between two outer wall board bodies, and can play the effect of location resistance to upper connecting part and lower connecting part simultaneously, thereby realizes the synchronous positioning of two outer wall board bodies. The whole mounting structure is simple to operate, and the connection stability is strong, and after installing, can realize the dismounting replacement of single outer wall board body through the dismounting of installation strip.
Owner:SHANDONG HUASHENG ENVIRONMENTAL ENG CO LTD

Splicing type novel connecting line

The utility model discloses a novel splicing type connecting line, which comprises a connecting line main body, one end of the connecting line main body is fixedly connected with a male joint, the other end of the connecting line main body is fixedly connected with a female joint, and one end of the male joint is fixedly connected with a plug. The cable connector comprises a male connector and a female connector, the male connector is provided with a plug, the plug is fixedly connected with a connecting chip, one end of the female connector is provided with an interface corresponding to the plug, and the male connector and the female connector are provided with connecting assemblies. A certain number of cables can be conveniently selected according to the required length, a worker only needs to press the two control blocks during splicing, the operation of the connecting assembly can be completed by one hand, the structure is simple, the operation is convenient, the use portability is improved, meanwhile, the high connecting stability is achieved, and the cable cannot be disconnected even if the cable is pulled.
Owner:SHANGHAI ZHUXIANG TECHNOLOGY CO LTD

Cable protection sleeve

The invention relates to the technical field of cable protection, in particular to a cable protection sleeve. The protective sleeve comprises an inner layer, a middle layer and an outer layer, the middle layer comprises a first layer and a second layer, the first layer is fixedly connected with the inner layer, and the second layer is fixedly connected with the outer layer; the first layer is made of a glass fiber reinforced composite material, the second layer is of a grid framework structure made of a shape memory alloy material, the grid framework structure is embedded in the first layer, and inner grid spaces of the grid framework structure are filled with magnetorheological elastomers; the inner layer is a waterproof insulating layer sprayed on the first layer; the outer layer is made of a modified polyurethane material and is of a corrugated structure; the cable protection sleeve is provided with an opening structure, sealing parts are arranged on the two sides of the opening structure, the sealing parts on the two sides can abut against each other in a matched mode so that the installation cavity channel of the inner layer can be sealed and isolated from the outside, and the sealing parts are made of rubber materials. A plurality of rubber supporting rings are arranged on the inner wall face of the inner layer and protrude out of the inner wall face of the inner layer, and heat conduction grooves are formed in the rubber supporting rings.
Owner:CNNC HUACHEN CONSTR ENG CO LTD

Hoisting device

The utility model relates to the technical field of petroleum operation, in particular to a hoisting device. The hoisting device comprises a hoisting rope and a hoisting assembly. The hoisting assembly comprises a bearing part, a lock pin part and a locking block. The bearing component is provided with a first hole and a second hole, the first hole and the second hole are coaxial, a gap capable of containing the flange edge of the blowout preventer is formed between the first hole and the second hole, and the bearing component is connected with the lifting rope. The lock pin component is configured in the mode that when the flange edge of the blowout preventer is contained in the gap, the lock pin component can penetrate through the first hole, a diagonal screw hole formed in the flange edge and the second hole. The locking block is connected to the bearing component and used for locking the lock pin component when the lock pin component penetrates through the first hole, the diagonal screw hole formed in the edge of the flange and the second hole. The lifting rope cannot slip, and meanwhile, the locking block locks the locking pin component, so that the stability of connection between the lifting assembly and the blowout preventer is high.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +2

An easy-to-assemble permanent magnet motor

The present invention relates to an easy-to-assemble permanent magnet motor, belonging to the technical field of permanent magnet motors. It comprises a casing, the two ends of which are detachably connected with a front cover and a rear cover by screws, the bottom outer wall of the casing is fixedly connected with a bottom plate for supporting and installing the entire motor, and a stator housing is provided inside the casing, the stator housing is annularly installed on the inner wall of the casing, and the inner wall of the stator housing is annularly evenly distributed with a plurality of stator windings. The present invention can achieve the effect of simultaneously fixing and connecting a plurality of permanent magnets by setting the rotor structure into a main roller shaft, an output shaft, a secondary roller shaft, a connecting shaft and an adjusting shaft, and the operation is simple and convenient, and the connection stability is strong, and there is no need to use a traditional gluing process to fix the permanent magnets; the rotor structure set by the present invention can be quickly assembled and disassembled, which brings great convenience to the subsequent maintenance work, and can also reduce the cost of subsequent maintenance and replacement, and effectively improve the practicality of the entire motor.
Owner:FUZHOU WONDER ELECTRIC

Mass transfer method, temporary substrate, transfer substrate and LED display device

ActiveCN115706131BStrong connection stabilityQuality assuranceLED displayDisplay device
The present invention relates to a mass transfer method, a temporary substrate, a transfer substrate and an LED display device. The mass transfer method includes arranging a plurality of first grooves on a temporary substrate, forming a first boss between any two adjacent first grooves, and arranging a first adhesive layer on the first boss; transferring an LED chip on a growth substrate to the temporary substrate so that the LED chip is bonded to the first adhesive layer; using a second adhesive layer on the transfer substrate to bond to a side of the LED chip away from the temporary substrate, heating the first adhesive layer to melt it and flow it into the first groove, so as to transfer the LED chip to the transfer substrate; transferring the LED chip on the transfer substrate to a display backplane. The first adhesive layer melts and flows into the first groove to prevent it from remaining on the electrode surface of the LED chip, and to prevent the vaporized adhesive from causing the LED chip to deviate or flip, thereby ensuring that the LED chip and the pad group are accurately aligned and improving the transfer efficiency.
Owner:CHONGQING KONKA PHOTOELECTRIC TECH RES INST CO LTD

Auxiliary dismounting device without damaging bearing

The utility model discloses an auxiliary dismounting device without damaging a bearing, which comprises two half bodies which are detachably connected through a connecting stud to form a structural body which can be semi-coated outside the bearing to be dismounted. Each semi-finished body comprises an arc sleeve part, a cornice part integrally formed at the outer edge of the arc sleeve part and a bottom plate part integrally formed below the inner side of the arc sleeve part, a bearing sleeve opening is formed in the middle of the bottom plate part, and the bearing sleeve opening can form a hollow structure in the middle of the bottom plate part after the two semi-finished bodies are combined, so that a rotor armature can penetrate through the hollow structure. The bearing disassembling device is suitable for disassembling a bearing, by arranging the bearing disassembling device, when the bearing is disassembled, the acting force of the puller does not directly act on the bearing, but acts on the semi-finished body, and then the acting force is uniformly distributed on the bearing through the bottom plate part of the semi-finished body, so that the situation that the bearing is damaged due to local stress can be avoided.
Owner:CHINESE PEOPLES LIBERATION ARMY UNIT 69214

PP thick plate extrusion die

ActiveCN224256000UAvoid connection instabilityStrong connection stabilityThick plateMechanical engineering
The utility model discloses a PP thick plate extrusion die, and relates to the technical field of extrusion dies. The extrusion die comprises an extrusion die main body and an extruder screw cylinder connected with the rear end of the extrusion die main body, and further comprises a connecting stop block part fixedly arranged on the side wall of the extrusion die main body, an extrusion head is arranged at the front end of the extrusion die main body, and a transverse insertion rod part is fixedly arranged at one end, close to the connecting stop block part, of the extrusion head; the end face, close to the transverse insertion rod part, of the connecting stop block part is provided with an opening allowing the transverse insertion rod part to penetrate through, and the surface of the connecting stop block part is longitudinally provided with an insertion hole communicating with the opening. The front ends of the positioning insertion rod parts which are symmetrically distributed up and down are inserted into the positioning longitudinal holes through the elasticity of the connecting spring parts, then the transverse insertion rod part and the extrusion head are positioned and installed, and the positioning insertion rod parts are hidden in the inner side of the shifting open groove, so that the positioning insertion rod parts are not exposed; therefore, the situation of unstable connection of the extrusion head caused by mistaken touch can be effectively avoided.
Owner:ANHUI JIAHAO MASCH CO LTD

Voltage sampling device and circuit breaker

A voltage sampling device and a circuit breaker relate to the technical field of low-voltage apparatuses. The utility model provides a voltage sampling device. The voltage sampling device comprises a body and a shell arranged outside the body in a sleeving mode. The body comprises a first sampling plate, the first sampling plate is used for being electrically connected with a wiring copper bar of the circuit breaker, an elastic conductive part is arranged on one side, close to the wiring copper bar, of the first sampling plate, and the first sampling plate is connected with the wiring copper bar through the elastic conductive part; the first sampling board is connected with a main control module of the circuit breaker, and the first sampling board can collect voltage information of the wiring copper bar and transmit the voltage information to the main control module of the circuit breaker. According to the voltage sampling device, the connection process between the wiring copper bar and the first sampling plate is more efficient and convenient, and the connection stability is higher.
Owner:SHANGHAI LIANGXIN INTELLIGENT ELECTRIC CO LTD +1

Metal product mold frame double-guide mechanism

The utility model relates to the technical field of dies, and discloses a metal product die frame double-guide mechanism which comprises a base. The limiting rod is fixedly installed at the top of the base and used for limiting, a vertical plate is fixedly connected to the top face of the base, a push cylinder is fixedly installed at the top of the vertical plate, a movable mold is installed on an output shaft of the push cylinder, the output shaft of the push cylinder is provided with a connecting component used for being connected with the limiting rod, and the connecting component comprises a connecting rod, an installing block, an inserting groove and a limiting protrusion; the mounting block is fixedly connected with the output shaft of the push cylinder, the movable mold is locked with the mounting block through the bolt, and when the limiting rod is worn and needs to be replaced, only the bolt connected with the output shaft of the limiting rod needs to be detached, so that the mold has the characteristic of convenience in replacement and maintenance; when the mold is replaced, the movable mold and the limiting rod are connected more quickly, an additional bolt is not needed to fasten the connecting rod, and the U-shaped connecting rod is connected and locked with the mounting block.
Owner:QINGDAO LINHONG METAL CO LTD

An intelligent high-speed roof bag filling machine

ActiveCN114162367BGuaranteed high speed operationspeed up the flowWrapper twisting/gatheringLiquid material
An intelligent high-speed roof bag filling machine solves the problems of low working efficiency, hindering the improvement of operating speed, high operating failure rate, uneven product appearance quality, and poor adaptability in the prior art. It includes a filling machine body, characterized in that: a rotating box suction device is arranged in front of the carton sheet library; a core mold turret mechanism is arranged in front of the rotating box suction device, and a carton bottom preheating and pressing mechanism is arranged above the core mold turret mechanism; a high-speed automatic capping mechanism is arranged on one side of the middle of the carton conveying mechanism, a diaphragm filling system and a high-speed filling lifting mechanism are arranged in front of the high-speed automatic capping mechanism, a secondary pre-folding mechanism is arranged in front of the filling riser, and a carton top preheating and pressing mechanism is arranged in front of the secondary pre-folding mechanism. It has a reasonable design, compact structure, high degree of automation, can realize high-speed operation of the equipment, stable and reliable operation, improved production efficiency, low failure rate, high hygiene level, and strong applicability.
Owner:SHENYANG BEIYA BEVERAGE MASCH CO LTD

A heating pipeline pressure testing device

ActiveCN224535643UEasy to installEasy to hold
The utility model discloses a kind of heating pipeline pressure testing devices, it is related to pipeline pressure testing technical field, it includes mounting bracket, and flange plate is provided on the water inlet end of the communication pipeline, and flange plate is fixedly connected with the water outlet end of pressurizing pump;Sealing mechanism is arranged on the outside of communication pipeline, and sealing mechanism is used to close the connecting gap between communication pipeline and heating pipeline;Locking mechanism is arranged on the inside of communication pipeline, and locking mechanism is used to lock communication pipeline and heating pipeline, the locking mechanism includes the mounting screw fixedly connected with communication pipeline, fixedly set with fixed plate on the mounting screw, and arc plate is provided on the fixed plate, one end of the mounting screw is fixedly set with hollow sleeve, and locking ring for clamping heating pipeline is slidably arranged in hollow sleeve. The heating pipeline pressure testing device can connect different specifications of heating pipeline, and installation is convenient, stable.
Owner:HARBIN THERMAL PLANNING & DESIGN INST CO LTD

Deep foundation pit concrete inner supporting beam, stand column pile and latticed column reinforcing diagonal bridging node connecting device

The utility model relates to a deep foundation pit concrete inner supporting beam stand column pile latticed column reinforcing diagonal bridging node connecting device which comprises a connecting component, and the connecting component is of a vertically-through tubular structure and comprises a first half connecting piece and a second half connecting piece which are equally divided in the front-back direction. The first half connecting piece and the second half connecting piece are rotationally arranged on the latticed column in a sleeving mode and fixedly connected through a connecting structure, the connecting structure is connecting blocks fixed to the front ends and the rear ends of the first half connecting piece and the second half connecting piece, vertically-through connecting holes are formed in the connecting blocks, and fixing pieces are inserted into the connecting holes. A connecting plate is arranged between every two adjacent latticed columns, the ends of the connecting plates are fixedly connected with the connecting structures, and the first half connecting pieces and the second half connecting pieces of the connecting components are fixedly connected with the latticed columns through the connecting structures, so that the joint has higher connecting strength and stability; and the connecting plates arranged between the adjacent latticed columns further strengthen the overall rigidity of the joint.
Owner:CHINA CONSTR SEVENTH BUREAU SOUTHWEST CONSTR CO LTD

Fluid distributor and manufacturing method thereof

The invention provides a fluid distributor and a manufacturing method thereof.The fluid distributor is provided with a conveying component, a smearing component and a conveying opening, and the conveying component comprises a step-shaped supporting base, a conveying cavity penetrating through the supporting base and a plurality of connecting structures formed by extending from the outer surface of the supporting base to the outer side; the smearing part covers the outer surface of the supporting base through integral injection molding, the extending end of the connecting structure is configured to be in a hook shape, and the bending direction of the extending end is opposite to the connecting stress direction of the smearing part and the supporting base; the smearing component is made of a material with good biocompatibility, high elasticity and good flexibility, the connection stability between the smearing component and the conveying component is high, and a fixing structure does not need to be additionally arranged; the smearing part and the conveying part are good in compatibility based on manufacturing raw materials and can be recycled together, so that full plasticization of the fluid distributor can be achieved, and the requirements for recycling and regeneration recycling of the fluid distributor are met.
Owner:三樱包装(江苏)有限公司

Adjustable wafer spraying mechanism and wafer processing device

The invention discloses an adjustable wafer spraying mechanism and a wafer processing device, the adjustable wafer spraying mechanism comprises a processing cylinder, a liquid supply channel and a nozzle assembly, and the liquid supply channel is arranged in the cylinder wall of the processing cylinder; each group of nozzle assembly comprises a plurality of spray heads, and mounting holes corresponding to the spray heads are formed in the treatment barrel; each spray head comprises a first spray head and a second spray head, the first end of the second spray head extends into the cavity of the treatment barrel, the second end of the second spray head is provided with a groove, a liquid spray channel is arranged in the second spray head, the first end of the first spray head is provided with a convex part, and the second end of the first spray head is provided with an adjusting part. The protruding part is located in the groove, and a liquid separation channel is formed between the protruding part and the groove. According to the adjustable wafer spraying mechanism, through cooperation of the first spraying head and the second spraying head, the spraying angles of the spraying heads can be adjusted, meanwhile, liquid in the liquid supply channel is shunted, and the wafer processing efficiency is improved.
Owner:QUANXIN SEMICON TECH (WUXI) CO LTD

Anti-seepage protection structure of underground comprehensive pipe gallery

The invention discloses an underground comprehensive pipe gallery anti-seepage protection structure which comprises a pipe gallery main body, the pipe gallery main body is of a reinforced concrete box type structure and is formed by pouring low-heat micro-expansion anti-seepage type concrete, a silt discharging pipeline is laid in the pipe gallery main body, and a connecting stand column is arranged in the middle of the pipe gallery main body in a supporting mode. The reinforced concrete box type structure of the pipe gallery body is formed by pouring the low-heat micro-expansion impervious concrete, compared with traditional common concrete, the concrete material is low in heat productivity in the hydration process, structural cracks generated by temperature difference stress can be effectively reduced, and the construction efficiency is improved. Meanwhile, pores in concrete can be filled with the micro-expansion characteristic, the anti-seepage capacity of the pipe gallery body is improved, the problem that underground water leakage is prone to being caused by cracks of a traditional pipe gallery is solved, in addition, accumulated water in the pipe gallery can be discharged in time in cooperation with arrangement of silt discharging pipelines in the pipe gallery, and the leakage risk is further reduced.
Owner:ANHUI WATER CONSERVANCY TECHN COLLEGE

Wrapping pipe crimping key slot type cross bar plug

The utility model relates to a wrapping pipe crimping key groove type cross rod plug which is provided with a cross rod plugging part, a cross rod plugging opening is formed in the cross rod plugging part, and the cross rod plugging part is connected with an expanding part. A vertical rod assembling key groove is formed in the end, away from the transverse rod inserting opening, of the expanding connection part. Symmetrical inclined rod connecting grooves are formed in the two sides of the expanding connection part. A lock hole is formed in the expanding part, is positioned below the inclined rod connecting groove, and is communicated with the vertical rod assembling key groove. The cross rod inserting opening is provided with an adjusting step, and the adjusting step is used for adjusting the caliber of the cross rod inserting opening. Stable connection among the transverse rod, the vertical rod and the inclined rod can be achieved, assembling and connecting are convenient, connecting stability is high, shifting caused by external force is effectively avoided, safety and reliability are higher, meanwhile, the structure is simpler and more optimized, and reasonable space configuration with peripheral structures can be achieved.
Owner:SICHUAN ZHENGKUN CONSTRUCTION ENGINEERING CO LTD

A fastener, hubcap mounting structure, and hub assembly

ActiveCN224588850Uachieve fixationFixed
This utility model discloses a fastener, a hub cover mounting structure, and a hub assembly, including a first fixing member, a first movable member penetrating the first fixing member, and a first control member disposed within the first fixing member and controlling the extension length of the first movable member relative to the outer surface of the first fixing member. The first fixing member can connect to the hub cover. By rotating the first control member, the extension amount of the first movable member relative to the first fixing member is controlled, thereby enabling the fastener to be inserted into the center hole of the hub and fixed by the first movable member against the center hole, thus fixing the hub cover. This installation method is simple, easy to implement, and has strong connection stability. Its fixing position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs for installation, by rotating the first control member, the first movable member and the center hole are in a non-abutment state, thereby transferring it to other hubs for installation. It has strong versatility and good interchangeability.
Owner:GUANGDONG TAIYAO AUTOMOTIVE TECH CO LTD

Refrigeration equipment

The refrigeration equipment comprises a box body, a box frame and a door body, the box frame is arranged on the peripheral side of the opening position of an inner containing cavity of the box body, and the box frame is connected with a box body outer shell and a box body inner container; a sealing surface and a reinforcing surface are formed on the box frame, and a blocking concave part extending downwards is formed on the reinforcing surface; a blocking convex part extending towards the direction of the reinforcing surface is formed on the bottom surface of the door body; when the door body is in a closed state, the partition convex part is connected into the partition concave part, the door body and the box frame are sealed through the sealing strip, the second layer of partition is arranged on the inner side of the sealing strip, the connection stability between the partition convex part and the partition concave part is higher, deformation and damage are not prone to occurring, and the sealing performance of connection between the door body and the door frame is improved. And the path and time of the cold air in the containing inner cavity in the process of natural convection to the outside can be prolonged, the cold insulation performance is better, and the energy consumption is reduced.
Owner:HISENSE(SHANDONG)REFRIGERATOR CO LTD

Self-locking type casting submarine optical cable protection hinged pipe

The utility model discloses a self-locking type casting submarine optical cable protection hinged pipe which comprises a plurality of protection pipes which are sequentially connected in a hinged mode. The protection tubes are composed of an upper protection tube and a lower protection tube which are arranged in a mirror symmetry mode. An upper protection tube self-locking end hook is arranged in the upper protection tube, and a lower protection tube self-locking end hook is arranged in the lower protection tube. The upper protection pipe self-locking end hook is located on the periphery of the upper protection pipe, and a clamping hook protrudes towards the central axis of the protection pipe and is provided with an inclined face so as to be matched with the lower protection pipe self-locking end hook of the lower protection pipe. The lower protection pipe self-locking end hook is arranged on the periphery of the lower protection pipe and corresponds to the upper protection pipe self-locking end hook in the upper protection pipe to form interlocking. It is worthy of noting that the upper protection tube self-locking end hook and the lower protection tube self-locking end hook are arranged in a cross-shaped staggered mode so that it can be guaranteed that the upper protection tube self-locking end hook can smoothly slide into the position between the lower protection tube self-locking end hooks when the upper protection tube and the lower protection tube are closed.
Owner:DALIAN RIJIN IND CO LTD

Corrosion-resistant ventilating duct

The utility model relates to the technical field of fire fighting equipment, and discloses a corrosion-resistant ventilating duct which comprises an L-shaped pipe, a flange is fixedly installed at the end of the L-shaped pipe, a sealing gasket is fixedly connected in the flange, a ventilating duct body is movably installed in the flange, and a lifting lug is fixedly connected to the top of the ventilating duct body. A hook is arranged in the lifting lug, the hook is hung in the lifting lug, an anti-releasing buckle is rotationally connected to the interior of the hook, a spring is fixedly connected to the side face of the anti-releasing buckle and the side face of the hook, a mounting plate is fixedly connected to the top of the hook, and bolts are in threaded connection to the two sides of the interior of the mounting plate. Compared with the prior art, the mounting structure has the following advantages and effects that the bolt is in threaded connection with the interior of the mounting plate, so that the bolt extends to the indoor ceiling, the ventilation pipeline can be hung on the indoor ceiling, the connection stability is high, and the ventilation pipeline is convenient to mount.
Owner:WUHAN YUECHENG ENVIRONMENTAL PROTECTION VENTILATION EQUIP CO LTD

High-safety valve with overload protection structure

The high-safety valve with the overload protection structure relates to the field of valves and comprises a valve body and a valve rod arranged at the upper end of the center of the valve body in a penetrating mode, mounting plates are fixedly mounted on the left side and the right side of the valve body, and an adjusting bin is mounted at the upper end of the right side of the valve body in a penetrating mode. An overload protection mechanism is arranged in the adjusting bin and provided with a flow guide pipe, and the flow guide pipe penetrates through the adjusting bin. According to the high-safety valve with the overload protection structure, an assembly for overload protection is arranged, during use, a valve body of the valve is controlled through a valve rod, the valve and a pipeline can be connected through a mounting plate through bolts, when an overload phenomenon occurs in the valve, water flow in the valve is too much, a floating plate is lifted up, and the safety of the valve is improved. And the first pressure relief hole communicates with the second pressure relief hole at the moment until the top of the flow guide pipe makes contact with the supporting piece, the automatic adjusting effect is achieved, and overload protection can be conducted on the valve.
Owner:JIANGSU BOTWAY FLUID TECH CO LTD

Female head connector for energy storage

The utility model relates to the technical field of connectors, in particular to a female head connector for energy storage, which comprises a connecting port, a terminal, a fixing seat and a connecting line, the connecting port comprises a connecting end and a plugging end, the connecting end is provided with a connecting piece, the plugging end is provided with a plugging port, the plugging port is provided with a limiting ring and a limiting step, and the limiting ring is provided with an opening. The terminal comprises a plugging part arranged in the plugging port and a fixing part arranged in the fixing seat, the fixing seat is provided with a fixing sleeve shell, the fixing sleeve shell is provided with a clamping groove, the connecting piece is connected to the clamping groove, the fixing sleeve shell is arranged on the connecting port in a sleeving mode, the terminal is plugged in the plugging port and the fixing seat through the plugging part and the fixing part, and the plugging port is provided with a limiting ring and a limiting step. The terminals are limited, the plugging precision of the terminals is improved, abrasion is reduced, the terminals are provided with limiting grooves and limiting blocks, the terminals can be conveniently limited and fixed at the plugging ports, the fixing base and the connecting port are connected and fixed through the terminals, the fixing base and the connecting end are sleeved through the fixing sleeve shell, the connecting stability of the connector is improved, and practicability is high.
Owner:东莞市永晟电线科技股份有限公司

Anti-slag-blocking structure and method for semi-waste boiler gasification furnace

PendingCN119529905ANot easy to cause slag blockageGuaranteed uptimeCombustible gas productionThermodynamicsSlag
The invention belongs to the technical field of gasification furnaces, and relates to an anti-slag-blocking structure and method for a semi-waste boiler gasification furnace, the anti-slag-blocking structure for the semi-waste boiler gasification furnace comprises a gasification furnace body, and a waste boiler section slag discharging pipe, a connecting pipe and a chilling section cooling pipe which are respectively arranged in the gasification furnace body and are sequentially communicated from top to bottom; the vertical section of the waste boiler section slag discharging pipe is of a big-end-up conical structure, the length of the conical wall of the waste boiler section slag discharging opening is adjusted according to the inclination angle of the waste boiler section slag discharging opening, the inner diameter of the water cooler in the waste boiler section is maintained to be 0.4074-0.4088 times of the inner diameter of the semi-waste boiler gasification furnace body, and the slag blocking phenomenon of the waste boiler section slag discharging opening and the water cooler in the waste boiler section is reduced. According to the structure provided by the invention, the slag discharging channel is not easy to block slag, and stable operation of equipment and production is ensured.
Owner:YANZHOU COAL MINING YULIN NENGHUA CO LTD

Windowsill lintel wall building structure

ActiveCN224200086UImprove stabilityPouring will not affectWallsArchitectural engineeringWindow sill
The utility model discloses a windowsill lintel wall building structure which comprises a bottom wall, a side wall is arranged above the bottom wall, a prefabricated coping beam is arranged between the bottom wall and the side wall, a structural beam is arranged at the end, away from the prefabricated coping beam, of the side wall, a connecting rib is arranged in the prefabricated coping beam, and the connecting rib is arranged in the structural beam. Side formworks are arranged on the two sides of the prefabricated capping beam, clamping rods are arranged above the side formworks, clamping plates are arranged at the two ends of each clamping rod, and limiting nuts are arranged on the outer sides of the clamping plates. According to the windowsill lintel wall building structure, the prefabricated coping beam is arranged between the bottom wall and the side walls, meanwhile, the side formworks are arranged on the front portion and the rear portion of the bottom wall, the process of pouring concrete between the connecting ribs and the prefabricated coping beam is conducted between the side walls, building of the side walls cannot be affected, and the construction period can be shortened; the prefabricated coping beam after concrete pouring can still enable the bottom wall and the side wall to have high connection stability, and then the stability of the windowsill is improved.
Owner:XIANGYANG ROAD & BRIDGE CONSTR GRP CO LTD +1